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Enables or disables a radio button.
void SetRadioButtonOptions(
   int nRadioButtonID,
   BOOL bEnabled
);
Parameters
- [in] nRadioButtonID 
 The ID of the radio button control.
- [in] bEnabled 
 TRUE to enable the radio button; FALSE to disable the radio button.
Remarks
This method throws an exception with the ENSURE (MFC) macro if nRadioButtonID is not a valid ID for a radio button.
Example
// TODO: Replace the strings below with the appropriate message,  
// main instruction, and dialog title
CString message("This is an important message to the user.");
CString mainInstruction("Important!\nPlease read!");
CString title("Alert Dialog");
CTaskDialog taskDialog(message, mainInstruction, title, 
    TDCBF_YES_BUTTON | TDCBF_NO_BUTTON | TDCBF_CANCEL_BUTTON );
taskDialog.AddRadioButton(201, L"First option");
taskDialog.AddRadioButton(202, L"Second option");
taskDialog.AddRadioButton(203, L"Third option");
taskDialog.DoModal();
int selection = taskDialog.GetSelectedRadioButtonID();
switch(selection)
{
case 201:
    // TODO: Place processing here for the first  
    // radio button. 
    break;
case 202:
    // TODO: Place processing here for the second  
    // radio button. 
    break;
case 203:
    // TODO: Place processing here for the third  
    // radio button. 
    break;
default:
    break;
}
// Remove all the radio buttons so that we can use the same task 
// dialog with new radio buttons.
taskDialog.RemoveAllRadioButtons();
taskDialog.AddRadioButton(301, L"New first option");
taskDialog.AddRadioButton(302, L"New second option");
taskDialog.AddRadioButton(303, 
    L"New third option should be disabled");
// Change the default radio button to the second option
taskDialog.SetDefaultRadioButton(302);
// Make sure the third option is disabled. 
if (taskDialog.IsRadioButtonEnabled(303))
{
    taskDialog.SetRadioButtonOptions(303, FALSE);
}
taskDialog.DoModal();
selection = taskDialog.GetSelectedRadioButtonID();
switch(taskDialog.GetSelectedRadioButtonID())
{
case 301:
    // TODO: Place processing here for new first  
    // command button control. 
    break;
case 302:
    // TODO: Place processing here for new second  
    // command button control. 
    break;
case 303:
    // TODO: Place processing here for the new third  
    // command button control. 
    break;
default:
    break;
}
// Remove all the radio button controls and add new ones from 
// the string table resource.
taskDialog.RemoveAllRadioButtons();
taskDialog.LoadRadioButtons(1001, 1005);
Requirements
Header: afxtaskdialog.h
See Also
Reference
CTaskDialog::GetSelectedRadioButtonID
CTaskDialog::IsRadioButtonEnabled